Enable uniform bucket-level access

Enable uniform bucket-level access.

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For detailed documentation that includes this code sample, see the following:

Code sample

C++

For more information, see the Cloud Storage C++ API reference documentation.

To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for a local development environment. 

namespace gcs = ::google::cloud::storage;
using ::google::cloud::StatusOr;
[](gcs::Client client, std::string const& bucket_name) {
  gcs::BucketIamConfiguration configuration;
  configuration.uniform_bucket_level_access =
      gcs::UniformBucketLevelAccess{true, {}};
  StatusOr<gcs::BucketMetadata> updated = client.PatchBucket(
      bucket_name, gcs::BucketMetadataPatchBuilder().SetIamConfiguration(
                       std::move(configuration)));
  if (!updated) throw std::move(updated).status();

  std::cout << "Successfully enabled Uniform Bucket Level Access on bucket "
            << updated->name() << "\n";
}

C#

For more information, see the Cloud Storage C# API reference documentation.

To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for a local development environment. 


using Google.Apis.Storage.v1.Data;
using Google.Cloud.Storage.V1;
using System;

public class EnableUniformBucketLevelAccessSample
{
    public Bucket EnableUniformBucketLevelAccess(string bucketName = "your-unique-bucket-name")
    {
        var storage = StorageClient.Create();
        var bucket = storage.GetBucket(bucketName);
        bucket.IamConfiguration.UniformBucketLevelAccess.Enabled = true;
        bucket = storage.UpdateBucket(bucket);

        Console.WriteLine($"Uniform bucket-level access was enabled for {bucketName}.");
        return bucket;
    }
}

Go

For more information, see the Cloud Storage Go API reference documentation.

To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for a local development environment. 

import (
	"context"
	"fmt"
	"io"
	"time"

	"cloud.google.com/go/storage"
)

// enableUniformBucketLevelAccess sets uniform bucket-level access to true.
func enableUniformBucketLevelAccess(w io.Writer, bucketName string) error {
	// bucketName := "bucket-name"
	ctx := context.Background()
	client, err := storage.NewClient(ctx)
	if err != nil {
		return fmt.Errorf("storage.NewClient: %w", err)
	}
	defer client.Close()

	ctx, cancel := context.WithTimeout(ctx, time.Second*10)
	defer cancel()

	bucket := client.Bucket(bucketName)
	enableUniformBucketLevelAccess := storage.BucketAttrsToUpdate{
		UniformBucketLevelAccess: &storage.UniformBucketLevelAccess{
			Enabled: true,
		},
	}
	if _, err := bucket.Update(ctx, enableUniformBucketLevelAccess); err != nil {
		return fmt.Errorf("Bucket(%q).Update: %w", bucketName, err)
	}
	fmt.Fprintf(w, "Uniform bucket-level access was enabled for %v\n", bucketName)
	return nil
}

Java

For more information, see the Cloud Storage Java API reference documentation.

To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for a local development environment. 


import com.google.cloud.storage.Bucket;
import com.google.cloud.storage.BucketInfo;
import com.google.cloud.storage.Storage;
import com.google.cloud.storage.Storage.BucketTargetOption;
import com.google.cloud.storage.StorageException;
import com.google.cloud.storage.StorageOptions;

public class EnableUniformBucketLevelAccess {
  public static void enableUniformBucketLevelAccess(String projectId, String bucketName)
      throws StorageException {
    // The ID of your GCP project
    // String projectId = "your-project-id";

    // The ID of your GCS bucket
    // String bucketName = "your-unique-bucket-name";

    Storage storage = StorageOptions.newBuilder().setProjectId(projectId).build().getService();

    // first look up the bucket, so we will have its metageneration
    Bucket bucket = storage.get(bucketName);

    BucketInfo.IamConfiguration iamConfiguration =
        BucketInfo.IamConfiguration.newBuilder().setIsUniformBucketLevelAccessEnabled(true).build();

    storage.update(
        bucket
            .toBuilder()
            .setIamConfiguration(iamConfiguration)
            .setAcl(null)
            .setDefaultAcl(null)
            .build(),
        BucketTargetOption.metagenerationMatch());

    System.out.println("Uniform bucket-level access was enabled for " + bucketName);
  }
}

Node.js

For more information, see the Cloud Storage Node.js API reference documentation.

To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for a local development environment. 

/**
 * TODO(developer): Uncomment the following lines before running the sample.
 */
// The ID of your GCS bucket
// const bucketName = 'your-unique-bucket-name';

// Imports the Google Cloud client library
const {Storage} = require('@google-cloud/storage');

// Creates a client
const storage = new Storage();

// Enables uniform bucket-level access for the bucket
async function enableUniformBucketLevelAccess() {
  await storage.bucket(bucketName).setMetadata({
    iamConfiguration: {
      uniformBucketLevelAccess: {
        enabled: true,
      },
    },
  });

  console.log(`Uniform bucket-level access was enabled for ${bucketName}.`);
}

enableUniformBucketLevelAccess().catch(console.error);

PHP

For more information, see the Cloud Storage PHP API reference documentation.

To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for a local development environment. 

use Google\Cloud\Storage\StorageClient;

/**
 * Enable uniform bucket-level access.
 *
 * @param string $bucketName The name of your Cloud Storage bucket.
 *        (e.g. 'my-bucket')
 */
function enable_uniform_bucket_level_access(string $bucketName): void
{
    $storage = new StorageClient();
    $bucket = $storage->bucket($bucketName);
    $bucket->update([
        'iamConfiguration' => [
            'uniformBucketLevelAccess' => [
                'enabled' => true
            ],
        ]
    ]);
    printf('Uniform bucket-level access was enabled for %s' . PHP_EOL, $bucketName);
}

Python

For more information, see the Cloud Storage Python API reference documentation.

To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for a local development environment. 

from google.cloud import storage


def enable_uniform_bucket_level_access(bucket_name):
    """Enable uniform bucket-level access for a bucket"""
    # bucket_name = "my-bucket"

    storage_client = storage.Client()
    bucket = storage_client.get_bucket(bucket_name)

    bucket.iam_configuration.uniform_bucket_level_access_enabled = True
    bucket.patch()

    print(
        f"Uniform bucket-level access was enabled for {bucket.name}."
    )

Ruby

For more information, see the Cloud Storage Ruby API reference documentation.

To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for a local development environment. 

def enable_uniform_bucket_level_access bucket_name:
  # The ID of your GCS bucket
  # bucket_name = "your-unique-bucket-name"

  require "google/cloud/storage"

  storage = Google::Cloud::Storage.new
  bucket  = storage.bucket bucket_name

  bucket.uniform_bucket_level_access = true

  puts "Uniform bucket-level access was enabled for #{bucket_name}."
end

What's next

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